SPDEF regulates goblet cell hyperplasia in the airway epithelium
J. Clin. Invest. Kwon-Sik Park, et al. 117:978 doi:10.1172/JCI29176 [
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Figure 7Expression of SPDEF caused goblet cell hyperplasia in the conducting airways.
CCSP-rtTA/TRE2-Spdef mice were maintained with (
B,
D, and
F) or without (
A,
C, and
E) doxycycline from E0 to postnatal day 14. Lung sections were stained with Alcian blue (
A and
B) or by immunohistochemistry for MUC5A/C (
C and
D) and CCSP (
E and
F). Increased Alcian blue and MUC5A/C staining was readily detected in the conducting airways of mice in the presence (
B and
D), but not in the absence (
A and
C), of doxycycline. Expression of SPDEF caused decreased CCSP staining (
F) compared with controls without doxycycline (
E). Scale bars: 100 μm.